diff options
Diffstat (limited to 'arch/arm/mach-mx3/mx31ads.c')
-rw-r--r-- | arch/arm/mach-mx3/mx31ads.c | 328 |
1 files changed, 307 insertions, 21 deletions
diff --git a/arch/arm/mach-mx3/mx31ads.c b/arch/arm/mach-mx3/mx31ads.c index f902a7c37c3..83e5e8e1276 100644 --- a/arch/arm/mach-mx3/mx31ads.c +++ b/arch/arm/mach-mx3/mx31ads.c @@ -22,6 +22,8 @@ #include <linux/init.h> #include <linux/clk.h> #include <linux/serial_8250.h> +#include <linux/gpio.h> +#include <linux/i2c.h> #include <linux/irq.h> #include <mach/hardware.h> @@ -35,6 +37,12 @@ #include <mach/imx-uart.h> #include <mach/iomux-mx3.h> +#ifdef CONFIG_MACH_MX31ADS_WM1133_EV1 +#include <linux/mfd/wm8350/audio.h> +#include <linux/mfd/wm8350/core.h> +#include <linux/mfd/wm8350/pmic.h> +#endif + #include "devices.h" /*! @@ -94,13 +102,16 @@ static struct imxuart_platform_data uart_pdata = { .flags = IMXUART_HAVE_RTSCTS, }; +static int uart_pins[] = { + MX31_PIN_CTS1__CTS1, + MX31_PIN_RTS1__RTS1, + MX31_PIN_TXD1__TXD1, + MX31_PIN_RXD1__RXD1 +}; + static inline void mxc_init_imx_uart(void) { - mxc_iomux_mode(MX31_PIN_CTS1__CTS1); - mxc_iomux_mode(MX31_PIN_RTS1__RTS1); - mxc_iomux_mode(MX31_PIN_TXD1__TXD1); - mxc_iomux_mode(MX31_PIN_RXD1__RXD1); - + mxc_iomux_setup_multiple_pins(uart_pins, ARRAY_SIZE(uart_pins), "uart-0"); mxc_register_device(&mxc_uart_device0, &uart_pdata); } #else /* !SERIAL_IMX */ @@ -176,7 +187,7 @@ static void __init mx31ads_init_expio(void) /* * Configure INT line as GPIO input */ - mxc_iomux_mode(IOMUX_MODE(MX31_PIN_GPIO1_4, IOMUX_CONFIG_GPIO)); + mxc_iomux_setup_pin(IOMUX_MODE(MX31_PIN_GPIO1_4, IOMUX_CONFIG_GPIO), "expio"); /* disable the interrupt and clear the status */ __raw_writew(0xFFFF, PBC_INTMASK_CLEAR_REG); @@ -191,26 +202,301 @@ static void __init mx31ads_init_expio(void) set_irq_chained_handler(EXPIO_PARENT_INT, mx31ads_expio_irq_handler); } +#ifdef CONFIG_MACH_MX31ADS_WM1133_EV1 +/* This section defines setup for the Wolfson Microelectronics + * 1133-EV1 PMU/audio board. When other PMU boards are supported the + * regulator definitions may be shared with them, but for now they can + * only be used with this board so would generate warnings about + * unused statics and some of the configuration is specific to this + * module. + */ + +/* CPU */ +static struct regulator_consumer_supply sw1a_consumers[] = { + { + .supply = "cpu_vcc", + } +}; + +static struct regulator_init_data sw1a_data = { + .constraints = { + .name = "SW1A", + .min_uV = 1275000, + .max_uV = 1600000, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | + REGULATOR_CHANGE_MODE, + .valid_modes_mask = REGULATOR_MODE_NORMAL | + REGULATOR_MODE_FAST, + .state_mem = { + .uV = 1400000, + .mode = REGULATOR_MODE_NORMAL, + .enabled = 1, + }, + .initial_state = PM_SUSPEND_MEM, + .always_on = 1, + .boot_on = 1, + }, + .num_consumer_supplies = ARRAY_SIZE(sw1a_consumers), + .consumer_supplies = sw1a_consumers, +}; + +/* System IO - High */ +static struct regulator_init_data viohi_data = { + .constraints = { + .name = "VIOHO", + .min_uV = 2800000, + .max_uV = 2800000, + .state_mem = { + .uV = 2800000, + .mode = REGULATOR_MODE_NORMAL, + .enabled = 1, + }, + .initial_state = PM_SUSPEND_MEM, + .always_on = 1, + .boot_on = 1, + }, +}; + +/* System IO - Low */ +static struct regulator_init_data violo_data = { + .constraints = { + .name = "VIOLO", + .min_uV = 1800000, + .max_uV = 1800000, + .state_mem = { + .uV = 1800000, + .mode = REGULATOR_MODE_NORMAL, + .enabled = 1, + }, + .initial_state = PM_SUSPEND_MEM, + .always_on = 1, + .boot_on = 1, + }, +}; + +/* DDR RAM */ +static struct regulator_init_data sw2a_data = { + .constraints = { + .name = "SW2A", + .min_uV = 1800000, + .max_uV = 1800000, + .valid_modes_mask = REGULATOR_MODE_NORMAL, + .state_mem = { + .uV = 1800000, + .mode = REGULATOR_MODE_NORMAL, + .enabled = 1, + }, + .state_disk = { + .mode = REGULATOR_MODE_NORMAL, + .enabled = 0, + }, + .always_on = 1, + .boot_on = 1, + .initial_state = PM_SUSPEND_MEM, + }, +}; + +static struct regulator_init_data ldo1_data = { + .constraints = { + .name = "VCAM/VMMC1/VMMC2", + .min_uV = 2800000, + .max_uV = 2800000, + .valid_modes_mask = REGULATOR_MODE_NORMAL, + .apply_uV = 1, + }, +}; + +static struct regulator_consumer_supply ldo2_consumers[] = { + { + .supply = "AVDD", + }, + { + .supply = "HPVDD", + }, +}; + +/* CODEC and SIM */ +static struct regulator_init_data ldo2_data = { + .constraints = { + .name = "VESIM/VSIM/AVDD", + .min_uV = 3300000, + .max_uV = 3300000, + .valid_modes_mask = REGULATOR_MODE_NORMAL, + .apply_uV = 1, + }, + .num_consumer_supplies = ARRAY_SIZE(ldo2_consumers), + .consumer_supplies = ldo2_consumers, +}; + +/* General */ +static struct regulator_init_data vdig_data = { + .constraints = { + .name = "VDIG", + .min_uV = 1500000, + .max_uV = 1500000, + .valid_modes_mask = REGULATOR_MODE_NORMAL, + .apply_uV = 1, + .always_on = 1, + .boot_on = 1, + }, +}; + +/* Tranceivers */ +static struct regulator_init_data ldo4_data = { + .constraints = { + .name = "VRF1/CVDD_2.775", + .min_uV = 2500000, + .max_uV = 2500000, + .valid_modes_mask = REGULATOR_MODE_NORMAL, + .apply_uV = 1, + .always_on = 1, + .boot_on = 1, + }, +}; + +static struct wm8350_led_platform_data wm8350_led_data = { + .name = "wm8350:white", + .default_trigger = "heartbeat", + .max_uA = 27899, +}; + +static struct wm8350_audio_platform_data imx32ads_wm8350_setup = { + .vmid_discharge_msecs = 1000, + .drain_msecs = 30, + .cap_discharge_msecs = 700, + .vmid_charge_msecs = 700, + .vmid_s_curve = WM8350_S_CURVE_SLOW, + .dis_out4 = WM8350_DISCHARGE_SLOW, + .dis_out3 = WM8350_DISCHARGE_SLOW, + .dis_out2 = WM8350_DISCHARGE_SLOW, + .dis_out1 = WM8350_DISCHARGE_SLOW, + .vroi_out4 = WM8350_TIE_OFF_500R, + .vroi_out3 = WM8350_TIE_OFF_500R, + .vroi_out2 = WM8350_TIE_OFF_500R, + .vroi_out1 = WM8350_TIE_OFF_500R, + .vroi_enable = 0, + .codec_current_on = WM8350_CODEC_ISEL_1_0, + .codec_current_standby = WM8350_CODEC_ISEL_0_5, + .codec_current_charge = WM8350_CODEC_ISEL_1_5, +}; + +static int mx31_wm8350_init(struct wm8350 *wm8350) +{ + int i; + + wm8350_gpio_config(wm8350, 0, WM8350_GPIO_DIR_IN, + WM8350_GPIO0_PWR_ON_IN, WM8350_GPIO_ACTIVE_LOW, + WM8350_GPIO_PULL_UP, WM8350_GPIO_INVERT_OFF, + WM8350_GPIO_DEBOUNCE_ON); + + wm8350_gpio_config(wm8350, 3, WM8350_GPIO_DIR_IN, + WM8350_GPIO3_PWR_OFF_IN, WM8350_GPIO_ACTIVE_HIGH, + WM8350_GPIO_PULL_DOWN, WM8350_GPIO_INVERT_OFF, + WM8350_GPIO_DEBOUNCE_ON); + + wm8350_gpio_config(wm8350, 4, WM8350_GPIO_DIR_IN, + WM8350_GPIO4_MR_IN, WM8350_GPIO_ACTIVE_HIGH, + WM8350_GPIO_PULL_DOWN, WM8350_GPIO_INVERT_OFF, + WM8350_GPIO_DEBOUNCE_OFF); + + wm8350_gpio_config(wm8350, 7, WM8350_GPIO_DIR_IN, + WM8350_GPIO7_HIBERNATE_IN, WM8350_GPIO_ACTIVE_HIGH, + WM8350_GPIO_PULL_DOWN, WM8350_GPIO_INVERT_OFF, + WM8350_GPIO_DEBOUNCE_OFF); + + wm8350_gpio_config(wm8350, 6, WM8350_GPIO_DIR_OUT, + WM8350_GPIO6_SDOUT_OUT, WM8350_GPIO_ACTIVE_HIGH, + WM8350_GPIO_PULL_NONE, WM8350_GPIO_INVERT_OFF, + WM8350_GPIO_DEBOUNCE_OFF); + + wm8350_gpio_config(wm8350, 8, WM8350_GPIO_DIR_OUT, + WM8350_GPIO8_VCC_FAULT_OUT, WM8350_GPIO_ACTIVE_LOW, + WM8350_GPIO_PULL_NONE, WM8350_GPIO_INVERT_OFF, + WM8350_GPIO_DEBOUNCE_OFF); + + wm8350_gpio_config(wm8350, 9, WM8350_GPIO_DIR_OUT, + WM8350_GPIO9_BATT_FAULT_OUT, WM8350_GPIO_ACTIVE_LOW, + WM8350_GPIO_PULL_NONE, WM8350_GPIO_INVERT_OFF, + WM8350_GPIO_DEBOUNCE_OFF); + + /* Fix up for our own supplies. */ + for (i = 0; i < ARRAY_SIZE(ldo2_consumers); i++) + ldo2_consumers[i].dev = wm8350->dev; + + wm8350_register_regulator(wm8350, WM8350_DCDC_1, &sw1a_data); + wm8350_register_regulator(wm8350, WM8350_DCDC_3, &viohi_data); + wm8350_register_regulator(wm8350, WM8350_DCDC_4, &violo_data); + wm8350_register_regulator(wm8350, WM8350_DCDC_6, &sw2a_data); + wm8350_register_regulator(wm8350, WM8350_LDO_1, &ldo1_data); + wm8350_register_regulator(wm8350, WM8350_LDO_2, &ldo2_data); + wm8350_register_regulator(wm8350, WM8350_LDO_3, &vdig_data); + wm8350_register_regulator(wm8350, WM8350_LDO_4, &ldo4_data); + + /* LEDs */ + wm8350_dcdc_set_slot(wm8350, WM8350_DCDC_5, 1, 1, + WM8350_DC5_ERRACT_SHUTDOWN_CONV); + wm8350_isink_set_flash(wm8350, WM8350_ISINK_A, + WM8350_ISINK_FLASH_DISABLE, + WM8350_ISINK_FLASH_TRIG_BIT, + WM8350_ISINK_FLASH_DUR_32MS, + WM8350_ISINK_FLASH_ON_INSTANT, + WM8350_ISINK_FLASH_OFF_INSTANT, + WM8350_ISINK_FLASH_MODE_EN); + wm8350_dcdc25_set_mode(wm8350, WM8350_DCDC_5, + WM8350_ISINK_MODE_BOOST, + WM8350_ISINK_ILIM_NORMAL, + WM8350_DC5_RMP_20V, + WM8350_DC5_FBSRC_ISINKA); + wm8350_register_led(wm8350, 0, WM8350_DCDC_5, WM8350_ISINK_A, + &wm8350_led_data); + + wm8350->codec.platform_data = &imx32ads_wm8350_setup; + + return 0; +} + +static struct wm8350_platform_data __initdata mx31_wm8350_pdata = { + .init = mx31_wm8350_init, +}; +#endif + +#if defined(CONFIG_I2C_IMX) || defined(CONFIG_I2C_IMX_MODULE) +static struct i2c_board_info __initdata mx31ads_i2c1_devices[] = { +#ifdef CONFIG_MACH_MX31ADS_WM1133_EV1 + { + I2C_BOARD_INFO("wm8350", 0x1a), + .platform_data = &mx31_wm8350_pdata, + .irq = IOMUX_TO_IRQ(MX31_PIN_GPIO1_3), + }, +#endif +}; + +static void mxc_init_i2c(void) +{ + i2c_register_board_info(1, mx31ads_i2c1_devices, + ARRAY_SIZE(mx31ads_i2c1_devices)); + + mxc_iomux_mode(IOMUX_MODE(MX31_PIN_CSPI2_MOSI, IOMUX_CONFIG_ALT1)); + mxc_iomux_mode(IOMUX_MODE(MX31_PIN_CSPI2_MISO, IOMUX_CONFIG_ALT1)); + + mxc_register_device(&mxc_i2c_device1, NULL); +} +#else +static void mxc_init_i2c(void) +{ +} +#endif + /*! * This structure defines static mappings for the i.MX31ADS board. */ static struct map_desc mx31ads_io_desc[] __initdata = { { - .virtual = AIPS1_BASE_ADDR_VIRT, - .pfn = __phys_to_pfn(AIPS1_BASE_ADDR), - .length = AIPS1_SIZE, - .type = MT_DEVICE_NONSHARED - }, { .virtual = SPBA0_BASE_ADDR_VIRT, .pfn = __phys_to_pfn(SPBA0_BASE_ADDR), .length = SPBA0_SIZE, .type = MT_DEVICE_NONSHARED }, { - .virtual = AIPS2_BASE_ADDR_VIRT, - .pfn = __phys_to_pfn(AIPS2_BASE_ADDR), - .length = AIPS2_SIZE, - .type = MT_DEVICE_NONSHARED - }, { .virtual = CS4_BASE_ADDR_VIRT, .pfn = __phys_to_pfn(CS4_BASE_ADDR), .length = CS4_SIZE / 2, @@ -221,13 +507,13 @@ static struct map_desc mx31ads_io_desc[] __initdata = { /*! * Set up static virtual mappings. */ -void __init mx31ads_map_io(void) +static void __init mx31ads_map_io(void) { mxc_map_io(); iotable_init(mx31ads_io_desc, ARRAY_SIZE(mx31ads_io_desc)); } -void __init mx31ads_init_irq(void) +static void __init mx31ads_init_irq(void) { mxc_init_irq(); mx31ads_init_expio(); @@ -240,15 +526,15 @@ static void __init mxc_board_init(void) { mxc_init_extuart(); mxc_init_imx_uart(); + mxc_init_i2c(); } static void __init mx31ads_timer_init(void) { - mxc_clocks_init(26000000); - mxc_timer_init("ipg_clk.0"); + mx31_clocks_init(26000000); } -struct sys_timer mx31ads_timer = { +static struct sys_timer mx31ads_timer = { .init = mx31ads_timer_init, }; |